Monday, September 29, 2014

Do dislocations act as atomic autobahns for oxygen in the perovskite oxide SrTiO3?




Nanoscale , 2014, Advance Article

DOI: 10.1039/C4NR04083J, Paper

Veronika Metlenko, Amr H. H. Ramadan, Felix Gunkel, Hongchu Du, Henning Schraknepper, Susanne Hoffmann-Eifert, Regina Dittmann, Rainer Waser, Roger A. De Souza

Oxygen diffusion in a low-angle tilt bicrystal is examined by isotope exchange experiments and atomistic simulations: No evidence is found for fast oxygen diffusion along dislocations.

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